summaryrefslogtreecommitdiffstats
path: root/system/helpers/array_helper.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/helpers/array_helper.php')
-rw-r--r--system/helpers/array_helper.php117
1 files changed, 52 insertions, 65 deletions
diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
index 075a31fdf..6a7c8e3c7 100644
--- a/system/helpers/array_helper.php
+++ b/system/helpers/array_helper.php
@@ -1,114 +1,101 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CodeIgniter Array Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/helpers/array_helper.html
*/
// ------------------------------------------------------------------------
-/**
- * Element
- *
- * Lets you determine whether an array index is set and whether it has a value.
- * If the element is empty it returns FALSE (or whatever you specify as the default value.)
- *
- * @access public
- * @param string
- * @param array
- * @param mixed
- * @return mixed depends on what the array contains
- */
if ( ! function_exists('element'))
{
+ /**
+ * Element
+ *
+ * Lets you determine whether an array index is set and whether it has a value.
+ * If the element is empty it returns FALSE (or whatever you specify as the default value.)
+ *
+ * @param string
+ * @param array
+ * @param mixed
+ * @return mixed depends on what the array contains
+ */
function element($item, $array, $default = FALSE)
{
- if ( ! isset($array[$item]) OR $array[$item] == "")
- {
- return $default;
- }
-
- return $array[$item];
+ return empty($array[$item]) ? $default : $array[$item];
}
}
// ------------------------------------------------------------------------
-/**
- * Random Element - Takes an array as input and returns a random element
- *
- * @access public
- * @param array
- * @return mixed depends on what the array contains
- */
if ( ! function_exists('random_element'))
{
+ /**
+ * Random Element - Takes an array as input and returns a random element
+ *
+ * @param array
+ * @return mixed depends on what the array contains
+ */
function random_element($array)
{
- if ( ! is_array($array))
- {
- return $array;
- }
-
- return $array[array_rand($array)];
+ return is_array($array) ? $array[array_rand($array)] : $array;
}
}
// --------------------------------------------------------------------
-/**
- * Elements
- *
- * Returns only the array items specified. Will return a default value if
- * it is not set.
- *
- * @access public
- * @param array
- * @param array
- * @param mixed
- * @return mixed depends on what the array contains
- */
if ( ! function_exists('elements'))
{
+ /**
+ * Elements
+ *
+ * Returns only the array items specified. Will return a default value if
+ * it is not set.
+ *
+ * @param array
+ * @param array
+ * @param mixed
+ * @return mixed depends on what the array contains
+ */
function elements($items, $array, $default = FALSE)
{
$return = array();
-
- if ( ! is_array($items))
- {
- $items = array($items);
- }
-
+
+ is_array($items) OR $items = array($items);
+
foreach ($items as $item)
{
- if (isset($array[$item]))
- {
- $return[$item] = $array[$item];
- }
- else
- {
- $return[$item] = $default;
- }
+ $return[$item] = isset($array[$item]) ? $array[$item] : $default;
}
return $return;